Index: uspace/app/bdsh/cmds/modules/bdd/bdd.c
===================================================================
--- uspace/app/bdsh/cmds/modules/bdd/bdd.c	(revision 5b3cf90fc58406e0a1987ff4a0c1e5e21a8b774b)
+++ uspace/app/bdsh/cmds/modules/bdd/bdd.c	(revision 402a18fea4d8130d968ebe076514596f024af690)
@@ -40,4 +40,5 @@
 #include <devmap.h>
 #include <errno.h>
+#include <assert.h>
 
 #define BLOCK_SIZE	512
@@ -110,5 +111,6 @@
 
 	while (size > 0) {
-		block = block_get(handle, boff, 0);
+		rc = block_get(&block, handle, boff, 0);
+		assert(rc == EOK);
 		blk = (uint8_t *) block->data;
 
@@ -139,5 +141,6 @@
 		}
 
-		block_put(block);
+		rc = block_put(block);
+		assert(rc == EOK);
 
 		if (size > rows * BPR)